.yzm {
    input[type="text"] {
        width: 100px;
        float: left;
    }

    a {
        height: 40px;
        line-height: 40px;
        color: blue;
        padding-right: 10px;
    }
}

.reg {
    width: 80%;
}

.login {
    height: 40px;
    line-height: 40px;
    color: blue;
    padding-right: 10px;
}